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1. b 2. a 3. b Audio script 1. Hoa's mother: Where are you, Hoa? Hoa: I'm in my room. Hoa's mother: What are you doing? Hoa: I'm reading. 2. Nam's mother: Where are you, Nam? Nam: I'm in the living room. Nam's mother: What are you doing? Nam: I'm watching TV. 3. Mai's mother: Where are you, Mai? Mai: I'm in the kitchen room. Nam's mother: What are you doing? Nam: I'm cooking.